diff --git a/Cargo.toml b/Cargo.toml
index 7f5fa46b..4dd333be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,10 +16,10 @@ readme = "README.md"
 
 [dependencies]
 bitflags = "1.2.1"
-cfg-if = "0.1.10"
+cfg-if = "1.0.0"
 errno = "0.2.6"
 itoa = "0.4.6"
-libc = { version = "0.2.78", features = ["extra_traits"] }
+libc = { version = "0.2.79", features = ["extra_traits"] }
 
 [badges]
 maintenance = { status = "actively-developed" }